Corsa piston build with throttle bodies

[SuperUno]

Have you checked all earths? You could get a LED to light up with a bad earth, but anything with a bigger load i.e. an injector not enough current can flow.

 

[pork]

I'm getting fuel from the injectors now


Il go over all connectiong again


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[frank]

is your timing 180 out now neil ? from moving the chain link

 

[pork]

All I did was put the half link on the slack side

Then lined the links to the marks with cyl 1 @ tdc

All lobes point to correct position as in pic previous page



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[pork]

I've got a spare rail with some ga16 injectors on.

Might try thst


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[frank]

All I did was put the half link on the slack side

Then lined the links to the marks with cyl 1 @ tdc

All lobes point to correct position as in pic previous page



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yes but if you lined up cams 2 and 3 instead of 3 and 2, then the spark will be 180 out and only firing on the leaking injector

 

[pork]

yes but if you lined up cams 2 and 3 instead of 3 and 2, then the spark will be 180 out and only firing on the leaking injector

Here's what I've got with everything lined up to the timing marks with cyl1 at tdc

Is this right?


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[frank]

thats tdc cyl #4 aint it mate ?

 

[Stani1029]

Neil look at the rotor arm with the engine at TDC on what you think is cyl1.

 

[pork]

Oh bollox, I don't know

What do I do?

See this is where my lack of basic knowledge comes to bite me in the ass

I can fabricate stuff lol





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[frank]

Neil look at the rotor arm with the engine at TDC on what you think is cyl1.

yes the slot may just be 180 out ?

 

[pork]

Thought the dizzy could on slot in the cam one way? It's off the centre ain't it


Or you mean inside the dizzy?


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[frank]

offset, but yes you can force it 180 out np mate

 

[pork]

you can force it 180 out np mate

Il pop out the dizzy tomorrow when I'm back there and take a look

Do your mean just rotate the dizzy arm 180 and force it back into the cam?


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[frank]

just check the rotor arm is pointing at #1 like stani said, if its pointing at #4 check under the cam cover to see if the slot is crooked

 

[pork]

Will do

Stupid cars, why can't I just bolt stuff together and expect it to work



Thing is though, I had it running
Had funny revving, but it ran ok

Then all these issues happened


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[pork]

I followed the timing chain guide precisely (I think)

The key slot for the crank was vertical, all the marks lined up perfectly

Thought that's how you do it

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[Mad the Mike]

Oh bollox, I don't know

What do I do?

No worries, I set fire to mine this way.

 

[pork]

Rotor arm at cyl 1, pulley on tdc mark

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[frank]

very strange aint it neil ! would it be anything to do with the ecu resorting to batch firing when sensors are down ? (described in the pdf manual iirc)

 

[pork]

Fixed it!!

It runs, better than ever.


But....as soon as I breath on the pedal, it dies

It's a brand new tps too


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[frank]

the only time i had the same die when opening the throttle was when i had low fuel pressure or very lean mixture neil

 

[pork]

I haven't fitted these ga16 injectors yet

Would that help?

I've got just under 50 psi fuel pressure

I'm just uploading a video


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[pork]

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[pork]

Change to ga16 inj.......no change

I don't think the ecu is getting a signal to advance the ignition when I rev it

I've got 5v at the green wire for the tps......when i put my probe on the other connections, I get no voltage come out of it........what should I be seeing, or is my meter not gunna read anything?


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[frank]

.5v at idle and 4.5v at wot iirc neil

 

[pork]

Is that on the green or blue wire


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[pork]

I'm getting no voltage out of this tps anywhere


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[frank]

are you feeding the 5v reference voltage and earth in neil ? then checking the output from the variable/signal wire

 

[pork]

Yeah


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[Agent_Sm1th]

I've just quickly mocked a tps up and closed its 0.3v and wot it's 4.5v. 5vref input to the green wire, ground to the black/white wire and then measure between ground and the blue signal wire.

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[pork]

I get nothing.

I get a change of resistance between the connections, but I don't see any voltages


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[Agent_Sm1th]

I can only assume its faulty then. Whether closed or open you should get some voltage across the blue wire and black/white wire.

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[pork]

Dam it!! It's brand new


But from eBay lol


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[Agent_Sm1th]

What tps is it.

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[pork]

Got it going better, think some of the shielding got crimped into the spade connection.

Runs but better, drove it too.......was terrible




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[frank]

Runs but better, drove it too.......was terrible

heh, been there done that neil if the fuel afr,s are miles out tho, it just wont pull

 

[pork]

Think I'm at the limit of what can be done with out mapping it?


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[Agent_Sm1th]

Glad you sorted it.

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[frank]

Think I'm at the limit of what can be done with out mapping it?


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i guess so mate, a rising rate fuel reg can help tho, it drops the fuel pressure at low throttle/high vacuum, so you can get away with big injectors without bogging down so badly

 

[pork]

If i go down the route of getting a new ecu and mapping

Should I get all the cams and exhaust sorted first before it goes on the rollers?


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[Agent_Sm1th]

Be daft not too mate. Else you'd waste your money on the tune.

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[pork]

Getting expensive ain't it now


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[Agent_Sm1th]

That's car modifying for you eh. My Megasquirt is worth more than the car!

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[McMini 22]

Which ecu are you planning on using? Can Nistune run ITBs?

 

[pork]

Waiting on replies from ed/fusion

If not, might get a microsquirt, or get another k-data that my mini has......know how to wire that thing up blindfolded now


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[pork]

Worth a go?

https://www.ebay.co.uk/itm/252963522446


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[McMini 22]

Worth a go?

https://www.ebay.co.uk/itm/252963522446


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I saw them a while back and as far as I could make out they are a Megasquirt knock off. Couldn't find anyone that had used one.
I am favouring Nistune when I eventually upgrade as the wiring will be easier and I won't need a trigger wheel. Don't know if nistune works with ITBs. And it's a reasonable price.

 

[pork]

Waiting on email back about it


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[pork]

Nistune won't work, needs the maf


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